From 40fb00512a95dd5b07f8e767a5e2b713c7299d5f Mon Sep 17 00:00:00 2001 From: Rolf Eike Beer Date: Tue, 10 Jan 2012 14:00:52 +0100 Subject: FindBZip2: add support for version checking --- Modules/FindBZip2.cmake | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'Modules/FindBZip2.cmake') diff --git a/Modules/FindBZip2.cmake b/Modules/FindBZip2.cmake index 679c1298e6..de1c9ecc6a 100644 --- a/Modules/FindBZip2.cmake +++ b/Modules/FindBZip2.cmake @@ -5,6 +5,7 @@ # BZIP2_INCLUDE_DIR - the BZip2 include directory # BZIP2_LIBRARIES - Link these to use BZip2 # BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_ +# BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8) #============================================================================= # Copyright 2006-2009 Kitware, Inc. @@ -24,10 +25,17 @@ FIND_PATH(BZIP2_INCLUDE_DIR bzlib.h ) FIND_LIBRARY(BZIP2_LIBRARIES NAMES bz2 bzip2 ) +IF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") + FILE(STRINGS "${BZIP2_INCLUDE_DIR}/bzlib.h" BZLIB_H REGEX "bzip2/libbzip2 version [0-9]+\\.[^ ]+ of [0-9]+ ") + STRING(REGEX REPLACE ".* bzip2/libbzip2 version ([0-9]+\\.[^ ]+) of [0-9]+ .*" "\\1" BZIP2_VERSION_STRING "${BZLIB_H}") +ENDIF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") + # handle the QUIETLY and REQUIRED arguments and set BZip2_FOUND to TRUE if # all listed variables are TRUE INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) -FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2 DEFAULT_MSG BZIP2_LIBRARIES BZIP2_INCLUDE_DIR) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2 + REQUIRED_VARS BZIP2_LIBRARIES BZIP2_INCLUDE_DIR + VERSION_VAR BZIP2_VERSION_STRING) IF (BZIP2_FOUND) INCLUDE(CheckLibraryExists) -- cgit v1.2.1